TYPE SPECIMENS OE INVERTEBRATE FOSSILS. 229 



43^06. Diplotrypa patella Ulrich. Holotype and figured sections. 



Richmond (Ord.). Oxford, Ohio. 



Ulrich, Geol. Surv. 111., VIII, 1890. p. 45S, pi. 33, figs. 2-2(1. 

 = Mesotrypa patella. 



43810. Diplotrypa westoni Ulrich. Figured sections and fragment 



of holotype. 

 Trenton (Ord.). Big Island, Lake Winnipeg, Manitoba. 



Ulrich, Geol. Surv. Canada, Contr. Micro-Pal., Carnbro-Sil., Pt. II, 

 1889, p. 30, pi. 8, figs. 4a, 4b. 



14276. Discina connata Walcott. Cotypes. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 214, pi. 7, figs. 



3- 3a. 

 = Liugulodiscina (?) connata. 



13780. Discina lodensis (Hall). Plesiotype. 



White Pine Shale (Lower Carb.). Applegate Canyon, 

 White Pine District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 112, pi. 2, figs. 

 5, 5a. 



= Orbiculoidea lodensis. 



1 1 1667. Discina lugubris (Conrad). Plesiotype. 



Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1S94, p. 23, pi. 1, 

 figs. 1-3. 



= Discinisca lugubris. 



1009. Discina manhattanensis Meek and Hayden. Cot} 7 pes. 



Upper Carboniferous. Opposite Manhattan, Kansas. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., 1S59, p. 25. 

 = Orbiculoidea missouriensis. 



13858. Discina minuta (Hall). Plesiotype. 



Upper Devonian. The Gate, near Eureka, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1S84, p. 112, pi. 13, fig. 5. 

 = Orbiculoidea minuta. 



14279. Discina newberryi Hall. Plesiotype. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 213, pi. 18, figs. 

 3 (2, 2a?). 



= Orbiculoidea newberryi. 



14277. Discina nitida (Phillips). Plesiotype. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1S84, p. 213, pi. 7, figs. 

 4, 4a. 



= Orbiculoidea nitida. 



